Atlassian

Junior Engineer

Software EngineerP30Medium

The Junior Engineer (P30) interview process at Atlassian is designed to assess foundational software engineering skills, problem-solving abilities, and cultural fit. It typically involves multiple stages, including initial screening, technical interviews focusing on data structures, algorithms, and coding, and a behavioral interview to gauge teamwork and communication. The goal is to identify candidates with strong potential for growth within the company.

Rounds

3

Timeline

~14 days

Experience

0 - 2 yrs

Salary Range

US$70000 - US$95000

Total Duration

120 min

Overall Evaluation Criteria

Technical Skills

Problem-solving skills
Coding proficiency
Algorithmic thinking
Data structure knowledge
Communication skills
Teamwork and collaboration
Adaptability and learning agility
Cultural fit with Atlassian values

Communication and Behavioral

Ability to articulate thought process
Clarity of explanations
Active listening
Enthusiasm and engagement

Preparation Tips

1Review fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, graph traversal).
2Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte, focusing on easy and medium difficulty.
3Understand object-oriented programming (OOP) principles.
4Familiarize yourself with common software development concepts like version control (Git) and basic testing.
5Research Atlassian's products (Jira, Confluence, Trello) and company culture.
6Prepare to discuss your projects, internships, or any relevant experience using the STAR method (Situation, Task, Action, Result).
7Practice explaining your thought process clearly and concisely.
8Be ready to ask thoughtful questions about the role, team, and company.

Study Plan

1

Data Structures and Complexity Analysis

Weeks 1-2: Data Structures (Arrays, Linked Lists, Stacks, Queues, Hash Maps) & Big O.

Weeks 1-2: Focus on core data structures like arrays, linked lists, stacks, queues, and hash maps. Practice implementing them and solving problems related to their usage. Understand time and space complexity (Big O notation).

2

Algorithms

Weeks 3-4: Algorithms (Sorting, Searching, BFS, DFS).

Weeks 3-4: Dive into algorithms, including sorting (bubble, merge, quick), searching (binary search), and basic graph algorithms (BFS, DFS). Practice applying these algorithms to solve problems.

3

Programming Fundamentals and Tools

Week 5: OOP Concepts & Git Basics.

Week 5: Review object-oriented programming (OOP) concepts (encapsulation, inheritance, polymorphism, abstraction) and practice writing object-oriented code. Familiarize yourself with basic Git commands and software development lifecycle concepts.

4

Behavioral Preparation and Company Research

Week 6: Behavioral Prep & Company Research.

Week 6: Prepare for behavioral questions. Research Atlassian's values and mission. Practice answering common behavioral questions using the STAR method. Prepare questions to ask the interviewer.

Commonly Asked Questions

Write a function to reverse a string.
Given an array of integers, find the two numbers that add up to a specific target.
Explain the difference between a list and an array.
Describe a time you faced a technical challenge and how you overcame it.
How would you design a simple URL shortener?
What are your strengths and weaknesses?
Why are you interested in this role at Atlassian?

Location-Based Differences

Sydney

Interview Focus

Understanding of core programming concepts.Ability to write clean and efficient code.Problem-solving approach.Enthusiasm for learning and growth.

Common Questions

Tell me about a challenging project you worked on during your studies or internships.

How do you approach debugging a complex issue?

Describe a time you had to learn a new technology quickly. How did you do it?

Tips

Be prepared to discuss your academic projects or any internship experience in detail.
Showcase your eagerness to learn and adapt.
Highlight any contributions to open-source projects or personal coding projects.

San Francisco

Interview Focus

Teamwork and collaboration skills.Communication and interpersonal skills.Understanding of software development lifecycle.Passion for technology.

Common Questions

How do you collaborate with team members on a project?

Describe a situation where you received constructive feedback and how you acted on it.

What are your favorite programming languages and why?

Tips

Emphasize your ability to work effectively in a team environment.
Be ready to share examples of your communication style.
Research Atlassian's values and how they align with your own.

Austin

Interview Focus

Coding proficiency and best practices.Attention to detail.Understanding of Atlassian's products and mission.Cultural alignment.

Common Questions

Walk me through a piece of code you've written that you're proud of.

How do you ensure the quality of your code?

What interests you about working at Atlassian?

Tips

Be prepared to explain your thought process when writing code.
Showcase your understanding of testing and code reviews.
Demonstrate genuine interest in Atlassian's work and impact.

Process Timeline

1
HR/Recruiter Screen30m
2
Technical Coding Interview45m
3
Behavioral and Team Fit Interview45m

Interview Rounds

3-step process with detailed breakdown for each round

1

HR/Recruiter Screen

Initial screening call to assess basic qualifications and cultural fit.

Recruiter ScreenEasy
30 minRecruiter/HR

This initial screening call with a recruiter is to assess your basic qualifications, understand your career aspirations, and ensure a general fit with the role and Atlassian's culture. They will ask about your background, motivation for applying, and may touch upon some high-level technical concepts or behavioral questions.

What Interviewers Look For

Fundamental programming skills.Ability to understand and follow instructions.Clear communication of thought process.

Evaluation Criteria

Basic coding ability
Problem-solving approach
Communication clarity

Questions Asked

Tell me about yourself and your background.

BehavioralIntroduction

Why are you interested in Atlassian?

BehavioralMotivation

What are you looking for in your next role?

BehavioralCareer Goals

Preparation Tips

1Be ready to summarize your resume and highlight relevant experiences.
2Clearly articulate why you are interested in Atlassian and this specific role.
3Prepare a few questions to ask the recruiter about the company or the next steps.

Common Reasons for Rejection

Inability to articulate thought process.
Poor understanding of basic data structures.
Difficulty in writing clean, functional code.
Lack of enthusiasm or engagement.
2

Technical Coding Interview

Coding challenge focused on data structures and algorithms.

Technical Interview (Data Structures & Algorithms)Medium
45 minSoftware Engineer

This is a technical interview focused on data structures and algorithms. You will be asked to solve one or two coding problems, typically on a shared online editor. The interviewer will assess your ability to write clean, efficient, and correct code, as well as your understanding of algorithmic concepts and complexity analysis.

What Interviewers Look For

Correctness and efficiency of the code.Understanding of fundamental data structures and algorithms.Ability to break down problems.Clear communication of the solution and trade-offs.

Evaluation Criteria

Problem-solving skills
Coding proficiency
Data structure and algorithm knowledge
Ability to explain solutions

Questions Asked

Given an array of integers, return indices of the two numbers such that they add up to a specific target.

ArrayHash MapTwo Pointers

Implement a function to check if a binary tree is a valid Binary Search Tree (BST).

TreeRecursionBST

Write a function to find the kth smallest element in an unsorted array.

ArraySortingHeap

Preparation Tips

1Practice coding problems focusing on arrays, strings, linked lists, trees, and hash maps.
2Understand Big O notation for time and space complexity.
3Practice explaining your thought process out loud as you code.
4Ask clarifying questions about the problem statement and constraints.

Common Reasons for Rejection

Inability to solve coding problems within the given constraints.
Poor understanding of time and space complexity.
Code that is not clean, readable, or efficient.
Difficulty in explaining the solution.
Not asking clarifying questions.
3

Behavioral and Team Fit Interview

Assesses behavioral competencies, teamwork, and cultural fit.

Behavioral InterviewMedium
45 minHiring Manager/Senior Engineer

This interview focuses on your behavioral and soft skills. You'll be asked questions about past experiences to understand how you handle various situations, such as teamwork, conflict resolution, dealing with failure, and leadership. The interviewer aims to assess your cultural fit and potential for growth within the team.

What Interviewers Look For

Examples of collaboration and teamwork.Ability to handle conflict or challenges within a team.Demonstration of Atlassian's values (e.g., collaboration, customer focus, innovation).Self-awareness and ability to learn from experiences.

Evaluation Criteria

Behavioral competencies
Teamwork and collaboration
Communication skills
Problem-solving approach in team settings
Cultural alignment

Questions Asked

Describe a time you had a disagreement with a teammate. How did you resolve it?

BehavioralTeamworkConflict Resolution

Tell me about a project where you had to adapt to changing requirements.

BehavioralAdaptabilityProblem Solving

How do you prioritize your work when you have multiple tasks?

BehavioralTime ManagementPrioritization

What motivates you as a software engineer?

BehavioralMotivation

Preparation Tips

1Prepare specific examples using the STAR method for common behavioral questions (e.g., teamwork, challenges, failures, successes).
2Understand Atlassian's core values and be ready to provide examples of how you embody them.
3Think about your strengths and weaknesses in a team context.
4Prepare thoughtful questions about the team, projects, and work environment.

Common Reasons for Rejection

Lack of clear examples for behavioral questions.
Inability to demonstrate teamwork or collaboration.
Poor communication or interpersonal skills.
Not aligning with Atlassian's values.
Not showing curiosity or asking thoughtful questions.

Commonly Asked DSA Questions

Frequently asked coding questions at Atlassian

View all
Two SumEASYLongest Substring Without Repeating CharactersMEDIUMContainer With Most WaterMEDIUMInteger to RomanMEDIUM3SumMEDIUMFind First and Last Position of Element in Sorted ArrayMEDIUMTrapping Rain WaterHARDJump Game IIMEDIUMGroup AnagramsMEDIUMMaximum SubarrayMEDIUM